#top{
	width: 780px;
	height: 183px;
	margin-bottom: 3px;
}
#toubu{
	background: url(../img/banner.jpg) no-repeat;
	width: 780px;
	height: 150px;
}
#nav li{
	background: url(../img/button1.jpg);
	float: left;
	width: 78px;
	line-height: 33px;
	text-align: center;
}